diff --git a/lcl/interfaces/gtk2/gtk2extrah.inc b/lcl/interfaces/gtk2/gtk2extrah.inc
index 87e4b4793d..f15024420e 100644
--- a/lcl/interfaces/gtk2/gtk2extrah.inc
+++ b/lcl/interfaces/gtk2/gtk2extrah.inc
@@ -193,3 +193,10 @@ procedure gtk_file_chooser_set_do_overwrite_confirmation(chooser:PGtkFileChooser
 {$ifdef GTK_2_10}
 function gdk_screen_is_composited(screen: PGdkScreen): gboolean; cdecl; external gdklib;
 {$endif}
+
+{$ifdef ver2_2}
+{$ifdef darwin}
+// this linklib statement is not present in gtk2.pas
+{linklib gthread-2.0}
+{$endif}
+{$endif}